On Feb 20, 2012, at 6:09 AM, George Sinos wrote: > In the develop module of Lightroom, and in Adobe Camera Raw, > double-clicking on a slider usually resets it to it's original default > value.
Yes, usually. Call up a picture in library in LR3. Double click on brightness, and go into develop. It will be set to 0. In develop, double click on brightness and it will set to 50. > > gs > > George Sinos > -------------------- > [email protected] > www.georgesphotos.net > plus.georgesinos.com > > > > On Sun, Feb 19, 2012 at 6:56 PM, Larry Colen <[email protected]> wrote: >> In lightroom (and I imagine PS camera raw), what is the difference between >> the exposure slider and the brightness slider? >> >> I expect that exposure is just a linear multiplier on the raw value, the >> slope of the line as it were, and the blacks slider is the "b" of the y=mx+b >> of a linear conversion from raw to final. >> >> I can't figure out what the brightness slider does. It's odd that in >> library mode, if you click on brightness twice, it seems to go to a default >> of 0, while in develop mode, clicking on it twice seems to set it to 50. >> >> I'd actually be interested in seeing a simple description of the >> mathematical transforms of each of the lightroom exposure sliders, so I >> could better understand what I'm actually doing when I twiddle and frob them. >> >> -- >> Larry Colen [email protected] sent from i4est >> >> >> >> >> >> -- >> PDML Pentax-Discuss Mail List >> [email protected] >> http://pdml.net/mailman/listinfo/pdml_pdml.net >> to UNSUBSCRIBE from the PDML, please visit the link directly above and >> follow the directions. > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- Larry Colen [email protected] sent from i4est -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
